0003. mermaid 图表

• 1. 🔗 vitepress-plugin-mermaid github-pages
• 2. 💻 测试 mermaid 的渲染

1. 🔗 vitepress-plugin-mermaid github-pages

https://emersonbottero.github.io/vitepress-plugin-mermaid/

2. 💻 测试 mermaid 的渲染

Code with ```mmd

flowchart LR
  Start --> Stop

Visualize with ```mermai